from rest_framework.viewsets import ModelViewSet
from goods.models import SPU,Brand,GoodsCategory
from meiduo_admin.my_paginate import MyPageNumberPagination
from . import spu_serializers
from rest_framework.generics import ListAPIView
from rest_framework.views import APIView
from rest_framework.response import Response
from fdfs_client.client import Fdfs_client
from django.conf import settings

# 1.spu信息
class SPUView(ModelViewSet):
    pagination_class = MyPageNumberPagination
    serializer_class = spu_serializers.SPUViewSerializers
    queryset = SPU.objects.all()

# 2.获取spu品牌信息
class SPUBrandSimpleView(ListAPIView):
    serializer_class = spu_serializers.SPUBrandSimpleSerializer
    queryset = Brand.objects.all()

# 3.spu一级分类
class SPUCategoryView(ListAPIView):
    serializer_class = spu_serializers.SPUCategorySerializer
    queryset = GoodsCategory.objects.filter(parent=None).all()

# 4.spu二级分类三级分类
class SPUCategorySubView(ListAPIView):
    serializer_class = spu_serializers.SPUCategorySerializer

    def get_queryset(self):
        # 1.获取匪类编号
        category_id = self.kwargs.get("category_id")

        # 2.获取子分类
        return GoodsCategory.objects.get(id=category_id).subs.all()

# 5.图片上传
class SPUImageUploadView(APIView):
    def post(self,request):
        # 1.获取参数
        image = request.FILES.get("image")
        # 2.校验参数
        if not image:
            return Response(status=400)

        # 3.入库(fdfs)
        client = Fdfs_client(settings.FDFS_CONFIG)
        ret = client.upload_by_buffer(image.read())
        print(ret)
        if ret["Status"] !="Upload successed.":

            return Response(status=400)

        # 4.返回响应
        return Response({
            "img_url":settings.BASE_URL + ret.get("Remote file_id")
        })




